<template>
<div>

  <div style="padding: 10px 0" >
    <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" v-model="name"></el-input>
    <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
    <el-button class="ml-5" type="warning" @click="reset">重置</el-button>
  </div>


  <div style="margin: 10px 0">
    <el-upload action="http://localhost:9090/file/upload"
               :show-file-list="false"
               :on-success="handleFileUploadSuccess"
               style="display:inline-block">
      <el-button type="primary" class="ml-5">上传文件<i class="el-icon-top"></i></el-button>
    </el-upload>
    <el-popconfirm
        class="ml-5"
        confirm-button-text='确定'
        cancel-button-text='取消'
        icon="el-icon-info"
        icon-color="red"
        title="确定批量删除文件吗？"
        @confirm="delBatch"
    >
      <el-button type="danger" slot="reference">批量删除<i class="el-icon-remove-outline"></i></el-button>
    </el-popconfirm>
  </div>

  <el-table :data="tableData" border @selection-change="handleSelectionChange">
    <el-table-column
        type="selection"
        width="55" >
    </el-table-column>
    <el-table-column prop="id" label="ID" width="80">
    </el-table-column>
    <el-table-column prop="name" label="文件名称" >
    </el-table-column>
    <el-table-column prop="type" label="文件类型">
    </el-table-column>
    <el-table-column prop="size" label="文件大小(KB)" >
    </el-table-column>
    <el-table-column prop="phone" label="下载">
      <template slot-scope="scope">
        <el-button type="primary" @click="download(scope.row.url)">下载</el-button>
      </template>
    </el-table-column>
    <el-table-column prop="address" label="启用">
      <template slot-scope="scope">
        <el-switch v-model="scope.row.enable" active-color="#13ce66" inactive-color="#ccc" @change="changeEnable(scope.row)"></el-switch>
      </template>
    </el-table-column>
    <el-table-column label="操作" width="200" align="center">
      <template slot-scope="scope">
        <el-popconfirm
            class="ml-5"
            confirm-button-text='确定'
            cancel-button-text='取消'
            icon="el-icon-info"
            icon-color="red"
            title="确定删除吗？"
            @confirm="handleDel(scope.row.id)"
        >
          <el-button type="danger" slot="reference">删除<i class="el-icon-remove-outline"></i></el-button>
        </el-popconfirm>
      </template>
    </el-table-column>

  </el-table>

  <div style="padding: 10px 0">
    <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="page"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
    </el-pagination>
  </div>
</div>
</template>

<script>
export default {
  name: "File",
  data(){
    return{
      tableData:[],
      name:'',
      multipleSelection:[],
      page:1,
      pageSize:10,
      total:0,
    }
  },

  created() {
    this.load()
  },

  methods:{
    /**
     * 请求分页查询
     */
    load(){
      this.request.get("/file/page",{
        params:{
          page:this.page,
          pageSize:this.pageSize,
          name:this.name,
        }
      }).then(res =>{
        if(res.code === '200'){
          this.tableData = res.data.records
          this.total = res.data.total
        }
      })
    },

    /**
     * 搜索栏重置
     */
    reset(){
      this.name=""
      this.load()
    },

    /**
     * 分页
     * @param pageSize
     */
    handleSizeChange(pageSize){
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(page){
      this.page = page;
      this.load()
    },




    /**
     * 新增
     */
    save(){
      this.request.post("/file",this.form).then(res =>{
        if(res.code === '200'){
          this.$message.success("保存成功")
          this.dialogFormVisible = false
          this.load()
        }else{
          this.$message.success("保存失败")
        }
      })
    },



    /**
     * 删除
     * @param id
     */
    handleDel(id){
      this.request.delete("/file/" + id).then(res =>{
        if(res.code === '200'){
          this.$message.success("删除成功")
          this.load()
        }else{
          this.$message.error("删除失败")
        }
      })
    },

    /**
     * 批量删除
     * @param val
     */
    handleSelectionChange(val){
      console.log(val)
      this.multipleSelection = val
    },
    delBatch(){
      let ids = this.multipleSelection.map(v => v.id)
      this.request.post("/file/del/batch",ids).then(res =>{
        if(res.code === '200'){
          this.$message.success("批量删除成功")
          this.load()
        }else{
          this.$message.error("批量删除失败")
        }
      })
    },

    /**
     * 上传文件
     * @param res
     */
    handleFileUploadSuccess(res){
      console.log(res)
      this.load()
    },

    /**
     * 文件下载
     * @param url
     */
    download(url){
      window.open(url)
    },

    /**
     * 启用更新
     * @param row
     */
    changeEnable(row){
      this.request.post("/file/update",row).then(res =>{
        if(res.code === '200'){
          this.$message.success("更新成功")
        }
      })
    }


  },
}
</script>

<style scoped>

</style>
